A young American couple falls into severe debt while renovating a home in London. When they discover that the tenant in the apartment below them was murdered and left $400,000 cash stashed in the ceiling, the couple thinks all of their problems are solved, but that's when very bad things start happening to good people.

Eddie Morra, a burnt-out writer, discovers a top-secret pill that unlocks 100% of his brain's capacity. He instantly acquires mind-bending talents and mesmerizing visions that bring him big money, beautiful women, and limitless success. But his dream life soon becomes a waking nightmare, as the drug's brutal side effects take their toll and Eddie finds himself entangled with a cunning Wall Street power broker who wants everything Eddie has, and more....